Answer:
P
Explanation:
Mitochondria will release ATP, where the structure of ATP is:
Nitrogenous base: Adenine
Pentose sugar: Ribose sugar
Phosphate group: 3 phosphate group
ATP is form by adding one phosphate group to a ADP which only have 2 phosphate group by condensation
On a time graph the line will be flat. on a distance the line will increase at a predictible rate
